Home / 36,385.94-50,212.40-20,470.50

Finding the Fourth Proportional to 36,385.94, 50,212.40 and 20,470.50

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Solution

The fourth proportional to 36,385.94, 50,212.40 and 20,470.50 is: 28,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.94 : 50,212.40 = 20,470.50 : x
  2. Step 2: Convert to fraction form
    36,385.94/50,212.40 = 20,470.50/x
  3. Step 3: Cross multiply
    36,385.94x = 50,212.40 × 20,470.50
  4. Step 4: Simplify right side
    36,385.94x = 1,027,872,831.85
  5. Step 5: Solve for x
    x = 1,027,872,831.85/36,385.94
  6. Step 6: Final answer
    x = 28,249.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.